Video
Bruships 184: Naval History Questions Answered Live...
Study Bruships 184: Naval History Questions Answered Live..., a Dr. Alex Clarke video from 23 Feb 2025, with 112 time notes. Topics include Alternate History, Live Q&A, Naval Aviation.
Time notes
- 10:48QuestionWhy was 1959 considered a year of maximum danger from the Soviet Union?AnswerQ&A
The proposed explanation is that Soviet numerical strength became especially dangerous when its technology approached Western capabilities. The opening answer mistakenly discusses 1969 before returning to the 1959 question.
- 14:08QuestionWhy was anti-submarine development slow in the 1920s and 1930s?AnswerQ&A
Development was active, but fleet-wide implementation was deliberately paced to avoid expensive mass adoption of technology that was still changing rapidly.
- 17:20QuestionWhat are your thoughts on the modern Mongolian Navy?AnswerQ&A
It is extremely small, but it is still a form of inland naval power suited to river and lake operations.
- 19:13Sources for torpedo explosives and RDXNotable Point
Robert Gannon's Hellions of the Deep covers American torpedo development, while Colin Baxter's The Secret History of RDX examines the explosive used in Torpex.
- 21:16QuestionHow would surplus American escort carriers and an Independence-class carrier have changed postwar Italian naval aviation?AnswerQ&A
They would probably accelerate helicopter operations and institutional naval aviation, but the Independence class would soon be inadequate for jets.
- 24:04QuestionWere there cases of cruisers causing major damage by ramming?AnswerQ&A
Yes, especially against submarines, but the danger of badly damaging the attacking ship made ramming an exceptional tactic.
- 27:01QuestionWhat would the Royal Navy call its first lunar base?AnswerQ&A
A geographic Royal Naval Space Station designation could accompany an HMS stone-frigate name, with Discovery suggested as a suitable exploration name.
- 31:01Devolution and independence in Scotland and WalesNotable Point
Support for nationalist parties in devolved government can coexist with a preference for the economic and institutional benefits of remaining in the United Kingdom.
- 36:15QuestionWhat impact would Admiral Tryon have had on the Royal Navy if he survived the Camperdown disaster?AnswerQ&A
His trial could have triggered an earlier debate about blind obedience and officer initiative, potentially changing Royal Navy command culture before 1914.
- 37:33QuestionWhat if the US Navy received a Royal Navy-sized budget in 1900?AnswerQ&A
It would first expand industrial capacity, then build a much larger fleet whose growth would place severe additional pressure on Germany's naval strategy.
- 40:14Why German and American naval budgets faced different limitsNotable Point
German naval competition depended on the Army's funding requirements, while American geography made a larger naval share of military expenditure easier to justify.
- 42:29French constitutional rules and election timingNotable Point
French election rules in early 2025 distinguish constitutional appointment powers from disputes about whether those rules are desirable.
- 46:15QuestionWhat would it have taken for a two-deck HMS Warrior to become reality?AnswerQ&A
A substantially more threatening Gloire could justify a larger, broader Warrior carrying roughly 84 to 90 guns, perhaps followed by more sister ships.
- 49:17QuestionWhat might Admiral Fisher have named a second ship built to Dreadnought's design?AnswerQ&A
Bellerophon is suggested but challenged because Fisher disliked it. Vanguard is the other possibility developed in the exchange.
- 52:12QuestionHow early would Spain need to build up to deter or win the Spanish-American War, with its nineteenth-century political instability unchanged?AnswerQ&A
Spain needed continuous investment from the early ironclad era, producing several modern capital ships plus adequately trained crews and supporting infrastructure by 1898.
- 59:23QuestionWhy did Italy decline the American offer of surplus aircraft carriers after the war?AnswerQ&A
Italy lacked the money, budget capacity, and time to take up the offer.
- 59:52QuestionWhat is your favorite navy belonging to a landlocked country?AnswerQ&A
Switzerland, with its small inland naval presence and paddle steamers on the same waters.
- 1:01:27QuestionDo you see the Royal Air Force or Royal Australian Air Force acquiring the B-21 Raider?AnswerQ&A
Both purchases are considered unlikely, though an Australian acquisition remains a disputed possibility because its geography gives it a stronger need for long-range strike.
- 1:03:29Tradeoffs in an air-launched nuclear deterrentNotable Point
A proposed air-launched replacement for American nuclear support faces objections over British second-strike doctrine, accident risks, and dependence on US aircraft integration.
- 1:08:27Strategic-bomber basing and Australian alternativesNotable Point
Geography favors Australian long-range strike, but precision weapons, existing commitments, and support costs strengthen the case for submarine-launched missiles over a separate bomber fleet.
- 1:14:43QuestionWhy did the Royal Navy not field more battleships with 15- or 16-inch guns?AnswerQ&A
Treaty politics, Chatfield's procurement bargain, and the war's timing determined the choice; disagreement centers on whether triple 15- or 16-inch turrets would have avoided early problems with the quadruple mountings.
- 1:17:15QuestionCan a carrier change aircraft recovery order to land the most damaged aircraft first?AnswerQ&A
Yes, but it may be safer to land undamaged aircraft first so a crash does not block the deck and so the damaged aircraft can reduce its fuel load.
- 1:18:48QuestionWhat if USS Yorktown could not reach the Battle of Midway?AnswerQ&A
The US Navy would still attempt the battle with two carriers, with some benefit from concentration but substantially less capability.
- 1:20:03Expectations of a more transactional US foreign policyNotable Point
A February 2025 forecast expects American support to become more conditional while leaving the consequences for established alliances uncertain.
- 1:21:29US executive power and constitutional structureNotable Point
Competing February 2025 interpretations of executive power turn on constitutional rules, Congress-created institutions, court orders, and appropriations.
- 1:26:31QuestionCould Midway be fought with two American carriers?AnswerQ&A
Yes, but success would depend partly on luck and which side found the opposing force first.
- 1:26:55QuestionWhat ship makes Hoche look good?AnswerQ&A
Hoche could dominate older ships lacking quick-firing guns, but she compared poorly with Royal Navy contemporaries because her long, repeatedly revised construction left her obsolete on completion.
- 1:30:49The Marceau class and France's return to capital-ship constructionNotable Point
The Marceaus improved on Hoche but retained close-melee assumptions and faced comparison with Britain's newer Royal Sovereign class.
- 1:35:30QuestionWhy do sources give Aquila either about 220,000 or 150,000 shaft horsepower?AnswerQ&A
One proposed explanation is nominal machinery output versus estimated installed performance, but neither figure was confirmed by trials.
- 1:38:28QuestionHow might the Fleet Air Arm have used Short Sunderland flying boats?AnswerQ&A
For shore-based long-range patrol, ASW, and logistics, though effective use would depend on stronger Navy-Coastal Command coordination.
- 1:41:48QuestionCould the Royal Navy develop a twin-engine carrier bomber able to carry a 4,000-pound bomb?AnswerQ&A
It could carry a 4,000-pound total load, but several smaller bombs or two torpedoes would be structurally and tactically more useful than one 4,000-pound bomb.
- 1:47:49QuestionWhat would a MOAB do to a naval vessel?AnswerQ&A
A close detonation would cause severe blast damage; the outcome would depend partly on the ship's condition and sealing.
- 1:48:35QuestionCould the Royal Navy have accelerated jet engines enough for service in the early 1940s?AnswerQ&A
Possibly through earlier investment, but turbines would more likely power experimental boats first because reliable aircraft engines required more maturation.
- 1:52:01QuestionWould the United States have been more successful if its War of 1812 had been fought against France and Spain instead of Britain?AnswerQ&A
Yes, especially against France, because Britain would blockade the French fleet and the United States would be fighting on the stronger coalition's side.
- 1:53:51QuestionCan building high-end aerial drones preserve the industrial capacity needed for high-end fighters?AnswerQ&A
Yes if the drone has comparable missions and performance, because it will retain much of the same industrial complexity and cost as a crewed fighter.
- 1:55:25The limits that make a light carrier practicalNotable Point
A practical light carrier requires clear limits on its missions and air group, illustrated by Spanish, Thai, and Australian design choices.
- 1:56:29Why a light carrier needs more aircraft than its patrolNotable Point
An illustrative eighteen-aircraft group sustains four aircraft in one role by allowing for rearming and servicing, with greater numbers needed as the patrol moves farther away.
- 1:58:55How much carrier space does removing the pilot save?Notable Point
Removing a pilot does not remove the engines, wings, or mission equipment that determine how much carrier space a combat aircraft needs.
- 2:00:36Why autonomous fighters still need a command systemNotable Point
Communications failures and weapons authority drive an autonomous fighter's computing, cooling, security, and command requirements.
- 2:02:39QuestionHow would you build up the modern US Navy and Royal Navy if funds allowed?AnswerQ&A
Expand existing frigate and auxiliary programs, fill known fleet gaps, and consider new classes after the current programs are properly supported.
- 2:06:15How Italy matches naval commitments to designed capacityNotable Point
Italy's approach ties additional naval commitments to the ships and capabilities needed to carry them out.
- 2:08:13QuestionWere there other evacuations like Dunkirk?AnswerQ&A
Yes; many naval evacuations occurred, including other withdrawals from France and the Royal Navy's costly evacuation operations around Crete.
- 2:09:04Absalon, StanFlex, and Danish procurement disciplineNotable Point
Absalon and StanFlex illustrate forward naval presence and strict equipment compatibility, with payment tied to making the systems work together.
- 2:10:38QuestionWhat was the 1951-1954 study for a new armored cruiser trying to determine?AnswerQ&A
It appears to have examined whether an armored cruiser or similar ship would still be useful in the missile age, though the identification is tentative.
- 2:11:07How cost-plus contracts can shift underbidding riskNotable Point
When additional costs fall on the government, an underestimated bid can transfer the supplier's mistake to the customer.
- 2:12:12QuestionWhat if Vasa had not capsized and sunk at launch?AnswerQ&A
She actually sank on her first voyage after launch. Survival would probably have denied historians the unusually preserved wreck, while sinking farther offshore would have made recovery harder.
- 2:13:21QuestionWould the Royal Navy have been better replacing twin 15-inch turrets with triple 14-inch turrets?AnswerQ&A
No; the existing barbette is too small for three 14-inch guns, and the performance advantage would not justify such a conversion.
- 2:14:07Competing interpretations of Agincourt's proposed armamentNotable Point
The proposed Agincourt prompts disagreement over triple 15-inch turrets and an 18-inch design, with broadside gun numbers central to the comparison.
- 2:20:16QuestionIf suitable materials made a naval railgun workable, what projectile caliber would be most useful?AnswerQ&A
About five inches for general-purpose use, smaller for air defense, and roughly 9.2 inches for a dedicated land-attack weapon.
- 2:22:30QuestionWhat if Spain built one of its modern CATOBAR carrier concepts?AnswerQ&A
Spain would gain a powerful but expensive global-presence asset, and the program would likely stimulate Italian and eventually Turkish carrier development.
- 2:27:01QuestionWhy was only one Ark Royal-class aircraft carrier built?AnswerQ&A
Ark Royal completed the immediate strike-carrier requirement, so the next priority was the fleet-support role, followed by replacements for Courageous and Glorious.
- 2:28:02QuestionCan building high-end uncrewed surface vessels preserve the industrial capacity for crewed surface combatants?AnswerQ&A
Only partly; removing the crew changes the ship so extensively that accommodation skills decline while automation and redundancy requirements grow.
- 2:33:44QuestionCould Des Moines- or Baltimore-class cruisers have received Aegis in the 1980s?AnswerQ&A
An Aegis conversion is unlikely, though removing the after guns could make room for radar and missiles clear of the forward battery.
- 2:36:11QuestionWould the Royal Navy be better off if the King George V class were built in 1933-37?AnswerQ&A
Yes; the quadruple turrets would have time to mature and the 16-inch Lion program could begin earlier.
- 2:38:58QuestionWhich ship suffered the worst design by committee?AnswerQ&A
German light cruisers are one suggestion; Hoche suffered repeated redesigns by successive designers as battleship requirements changed.
- 2:39:38QuestionHow would the King George V class fare if refitted with twin 18-inch turrets?AnswerQ&A
Poorly; the conversion would probably leave only four or five guns, turning the ships into specialized bombardment assets rather than effective battleships.
- 2:40:49QuestionIs the French EDAR landing craft better than a traditional landing craft?AnswerQ&A
EDAR offers speed and range in suitable conditions, while conventional landing craft are cheaper and usable across a broader range of sea conditions.
- 2:43:27Landing craft before the Second World WarNotable Point
The LCM Mark 1 of 1938 and earlier motor landing craft place the development of familiar landing-craft forms in the interwar period.
- 2:45:12QuestionWith 1945 technology, where do the tradeoffs of larger battleship guns become unacceptable?AnswerQ&A
About 18 inches is one practical limit, while Fleet of Oceans considers 20-inch guns viable with accepted tradeoffs; 16 to 16.5 inches is preferred for value.
- 2:47:17QuestionIf the F-35B failed, would Britain still build Queen Elizabeth as a CATOBAR carrier?AnswerQ&A
Probably, if the failure came early enough in design; cost, carrier numbers, and the eventual air group would remain open questions.
- 2:48:29Post-Falklands carrier and amphibious prioritiesNotable Point
The Falklands strengthened the case for British carriers, while northern-flank reinforcement and disaster relief support investment in amphibious ships.
- 2:50:13Why Harrier could not cover a forty-year carrier lifeNotable Point
Existing Harriers could offer a short bridge, but closed production lines and ageing airframes could not sustain a forty-year carrier program.
- 2:51:02Aviation accidents and overlapping failuresNotable Point
An engine-cover example connects aviation accident investigation with multiple contributing failures and changes to equipment design.
- 2:51:54QuestionWould Eagle-style Admiral-class carrier conversions begin with eight single anti-aircraft guns?AnswerQ&A
Probably, because early carriers needed separate anti-aircraft and anti-surface weapons until a reliable dual-purpose gun could replace both batteries.
- 2:53:32QuestionCould Operation PLUTO be repeated today, including a pipeline from North America to Britain?AnswerQ&A
A Channel pipeline is technically possible, but a transatlantic fuel pipeline is impractical and lacks sufficient justification.
- 2:58:32QuestionHow many aircraft could converted liners such as Europa, Bremen, or Vaterland carry?AnswerQ&A
A practical estimate is roughly 24 to 36 aircraft each, depending on hangar and funnel arrangements, perhaps fewer given German inexperience.
- 3:01:18QuestionIn 1924, how could Japan be steered toward a better outcome in the coming war?AnswerQ&A
Avoid war if possible; otherwise broaden industry and transport, build a mass pilot-training system, prepare convertible carriers, and expand long-range submarine capability.
- 3:02:24Why an air force needs competent wingmen as well as acesNotable Point
Broad pilot competence sustains replacements and gives aces the wingman cover they need, while survivors can become instructors.
- 3:03:36A better-prepared Japanese air arm at the Philippine SeaNotable Point
Better Japanese aircraft production and trained replacements could turn the Philippine Sea into a much more costly carrier battle for both sides.
- 3:06:19QuestionWhat success by a capital ship or cruiser's own aircraft came closest to Warspite's Swordfish sinking a submarine at Narvik?AnswerQ&A
No comparable example is recalled; Warspite's attack combined clear, shallow water with an exceptionally accurate strike.
- 3:07:25How the Yamato program would reshape Allied constructionNotable Point
Three visible Yamato-class launches in 1940 could encourage Montana and Lion construction while planners still wanted battleships as a proven answer to battleships.
- 3:08:43Why new Japanese aircraft designs depended on transport and industryNotable Point
New aircraft required enough industrial capacity to risk a production change and reliable transport to keep factories supplied.
- 3:12:37QuestionIs there a case for troopships in the twenty-first century?AnswerQ&A
There is a possible role for moving very large numbers of people, but normal practice separates airlifted personnel from equipment carried by sealift.
- 3:15:10QuestionWhen did USS Enterprise come closest to sinking?AnswerQ&A
Probably the Battle of the Santa Cruz Islands.
- 3:15:29QuestionWhat other ships performed an action like HMS Africa fighting alone at Trafalgar?AnswerQ&A
Glowworm's attack on Admiral Hipper and Spitfire's collision at Jutland are suggested comparisons; Glowworm was lost, while Spitfire returned with battleship armour on her bow.
- 3:17:12QuestionWhere would you build a naval base on the Hyrule map in Breath of the Wild or Tears of the Kingdom?AnswerQ&A
Sheltered deep water with nearby tidal flats or low-lying land for docks and support facilities is more useful than a deep inlet bounded by cliffs.
- 3:18:33QuestionWhat if Force Z met the Nagato sisters instead of Japanese aircraft?AnswerQ&A
Force Z would withdraw at high speed, perhaps exchanging fire, because it could not profitably fight two 16-inch battleships.
- 3:20:10QuestionHow could unlimited new wealth upgrade the Royal Navy after 1945?AnswerQ&A
It could complete the Maltas and Darings, fund modern gun cruisers and larger surface combatants, and support a later transition to missile ships and successor carriers.
- 3:23:09QuestionWhy could rapidly repaying Britain's debt be harmful in the asteroid-gold scenario?AnswerQ&A
It could disrupt creditor income and the wider economy, so repayment would need careful timing even with the imagined windfall.
- 3:27:34QuestionHow formidable would a 45,000-ton Zumwalt-type cruiser be?AnswerQ&A
Extremely formidable as a task-group centerpiece or independent strike ship, potentially carrying several hundred Tomahawk-class weapons plus other capabilities.
- 3:29:44QuestionCould Britain be prevented from converting G3 hulls into carriers if its other conversion candidates were unavailable?AnswerQ&A
Probably not; with other conversion hulls unavailable, the G3s would be Britain's natural treaty choice and were incomplete enough to become almost purpose-built carriers.
- 3:32:09QuestionWhat was the most effective way for a medieval country to increase naval capacity?AnswerQ&A
Expand the merchant fleet, because most medieval naval forces were mobilized by converting commercial vessels for war.
- 3:35:21QuestionWould Canada benefit more from a transcontinental oil pipeline to the Maritimes or a post-Panamax expansion of the St. Lawrence Seaway?AnswerQ&A
Both have value: the pipeline is the stronger dedicated oil route, while Seaway expansion improves wider maritime access, and neither is a quick project.
- 3:40:09QuestionHow practical is a 100,000-ton nuclear carrier with two twin 400 mm mountings in the Eighty-Six setting?AnswerQ&A
The heavy guns make sense for the setting's close-range threats, although the same arrangement is not favored for a present-day carrier.
- 3:40:54QuestionWhere should two additional Queen Elizabeth-capable dry docks be built?AnswerQ&A
In Britain, Portsmouth and Liverpool; for overseas coverage, Gibraltar and either Australia or Singapore are strong candidates.
- 3:42:14QuestionHow would viable synthetic fuel discovered in 1920 change Japan's path to the Pacific War?AnswerQ&A
It would reduce the oil embargo's leverage and ease fleet operations, while scrap-iron imports remained an important constraint.
- 3:43:46QuestionWhat was a favorite conspicuously misguided design moment among the great-power navies?AnswerQ&A
Colossus and Victoria are the British examples, particularly Victoria's mixed main armament and the alternative of a larger hull with four 16.25-inch guns.
- 3:45:53A 13.5-inch route to DreadnoughtNotable Point
A further Lord Nelson-type design could have introduced 13.5-inch guns before Dreadnought and changed the new battleship's armament.
- 3:47:56QuestionWhy did the Royal Navy favor half-inch calibers such as 13.5 inches?AnswerQ&A
A 1.5-inch step was large enough to justify new logistics and performance while allowing the leading navy to manage escalation more gradually than a two-inch jump.
- 3:49:46How a 14-inch Dreadnought changes the naval benchmarkNotable Point
A heavier-armed Dreadnought could force rivals to meet a larger gun standard alongside turbines and an all-big-gun layout.
- 3:51:39QuestionWould better 1930s engines push the Fleet Air Arm toward a mixed fleet or a common twin-engine aircraft?AnswerQ&A
A common twin-engine airframe is plausible because it could cover several roles and greatly simplify Far East logistics.
- 3:54:18QuestionWhat was the worst submarine design of the Second World War?AnswerQ&A
Surcouf is the main choice on practical and operational grounds, with a separate objection to hydrogen-peroxide submarines.
- 3:56:52QuestionWho would win a wargame between Admiral Farragut and the Marquis of Santa Cruz?AnswerQ&A
A close contest is expected, with the preference for Farragut explicitly based on personal liking.
- 3:58:02QuestionWould Santa Cruz hoist another flag or simply refuse to serve?AnswerQ&A
He is imagined as more likely to act independently, with a hypothetical rebellion supported by experience at sea and on land.
- 3:58:38QuestionHow would a full class of 45,000-ton Zumwalt-style cruisers perform?AnswerQ&A
They would serve as powerful conflict-management ships between destroyer and carrier deployments, reducing pressure on both.
- 4:02:54QuestionWhy did the Atlantis expedition never find a ZPM-production facility in the city?AnswerQ&A
A proposed explanation is that the factories were elsewhere or had been moved away from the Wraith, although this remains speculation about the setting.
- 4:05:59QuestionIf Britain acquired Alaska after the Crimean War, what fleet and fuel effects would follow by the world wars?AnswerQ&A
Alaska would probably become Canadian and diversify imperial oil supply, but useful naval effects require earlier exploration, refining, and a much larger tanker fleet.
- 4:11:15QuestionWould Canadian control of Alaskan oil affect the Anglo-Persian Oil Company?AnswerQ&A
It could make Anglo-Persian less powerful by creating another major imperial producer competing for influence and favorable agreements.
- 4:15:37QuestionHow dangerous would a four-turret battleship with octuple 16-inch mountings be if built with 1950s technology?AnswerQ&A
The turrets are judged mechanically impractical, while opinion differs over how many conventional missile hits the enormous hull could survive.
- 4:18:59QuestionWhat was the worst submarine design of the First World War?AnswerQ&A
The Royal Navy K class, because its steam-turbine machinery and multiple retractable funnels made diving dangerously complex.
- 4:21:16QuestionHow pleased would the Allies be if a Land Raider appeared at the Battle of the Somme?AnswerQ&A
Its immediate power could be enormous, but unknown fuel and materials would obstruct operation and copying, while its weapons could encourage misleading technical lessons.
- 4:29:04QuestionWhat roles could twin-engine aircraft fill on an Eagle-style conversion of an Admiral-class battlecruiser?AnswerQ&A
A sufficiently powerful twin-engine aircraft could cover strike, reconnaissance, and formation-breaking fighter duties.
- 4:33:54QuestionCould a Sea Hornet-like aircraft have worked in 1939 when the Mosquito itself was poorly suited to carrier service?AnswerQ&A
A related general-purpose design is proposed, but its airframe and contemporary engines would give it different performance from either the Mosquito or the later Sea Hornet.
- 4:37:08QuestionWhy choose a twin-engine aircraft instead of something like the Firebrand?AnswerQ&A
The earlier engines would lack the power needed for a comparable single-engine aircraft, making two engines attractive for payload, speed, and range.
- 4:38:46QuestionCould a single-engine aircraft use longer wings instead, and would a twin still need complicated wing folding?AnswerQ&A
Longer wings create handling, hangar, and structural problems; the proposed twin could place its folds near the engine structure, although the design must remain within contemporary engineering limits.
- 4:41:27QuestionWould a second engine greatly increase aircraft downtime and the personnel needed to service it?AnswerQ&A
Existing naval maintenance and spare-engine exchange practices could limit downtime, but the additional engine requirement remains.
- 4:42:00QuestionIf a twin-engine aircraft is a poor dogfighter, why choose it for carrier defense instead of an efficient long-winged design?AnswerQ&A
The proposed priority is disrupting incoming strikes through rapid climbing and diving attacks, while longer wings create separate structural and carrier-handling costs.
- 4:44:41QuestionIf the aircraft only needs speed and efficient formation attacks, why not use a high-aspect-ratio bomber-hunting wing?AnswerQ&A
The same aircraft must also carry out strike, patrol, ASW, and reconnaissance missions, so it needs a general-purpose design.
- 4:47:21QuestionWould the need for dedicated fighters change the common-aircraft approach as the war continued?AnswerQ&A
It could, but the decision would depend on combat performance and whether the larger pool of aircraft available for patrol compensated for weaker individual fighter performance.
- 4:49:00QuestionWhat happens if the attacking bombers arrive with an escort as large as the carrier's patrol?AnswerQ&A
The proposed response is to force through the escort and break up the strike so the fleet's successive layers of anti-aircraft fire face smaller attacks.
- 4:52:21Using larger aircraft when carrier capacity exceeds practical coordinationNotable Point
Larger twins could use the space of an enormous carrier without increasing aircraft numbers beyond the proposed practical limit of its air-group organization.
- 4:54:51QuestionIf the I-400 was a dead-end idea, would the I-500 have been better?AnswerQ&A
No firm judgment is possible because the supposed I-500 is not identified confidently; a long-range submarine without the aircraft installation is only a tentative recollection.